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Oval|Natural|GIA

0.51ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 1563634619

Certificate GIA 1563634619

Diamond specifications and retailer prices

From $337 SGD
As of November 6, 2026
Save $1,556 SGD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,893 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1563634619. Listed at 11 retailers as of November 5, 2026, with prices from $337 to $1,893, a $1,556 spread on the same certified stone. NZ Jewellers lists it at $1,893. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1563634619
Dimensions6.31 × 4.40 × 2.80 mm
L/W Ratio1.43
Girdle conditionVery Thick
Top View
6.31 mm4.40 mm0.51 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1563634619
Side View
Table 62.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,893 SGD|Low: $337 SGD|High: $1,893 SGD|Avg: $805 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$337 SGD
Retailer 2$360 SGD
Retailer 3$586 SGD
Retailer 5$633 SGD
Retailer 7$661 SGD
Retailer 8$696 SGD
Retailer 4$895 SGD
Retailer 6$1,139 SGD
NZ Jewellers$1,893 SGD

15 data points across 9 retailers

11 retailers$337 SGD to $1,893 SGD

A
Cheapest Retailer
-
$337 SGD
Final sale: no returns
A
Retailer 2
-
$360 SGD
View
A
Retailer 3
-
$449 SGD
View
A
Retailer 4
-
$528 SGD
View
A
Retailer 5
-
$586 SGD
View
B+
Retailer 6
-
$633 SGD
View
B+
Retailer 7
-
$661 SGD
View
B+
Retailer 8
-
$696 SGD
View
B
Retailer 9
-
$895 SGD
View
B
Retailer 10
-
$1,139 SGD
View
Most Expensive
C
NZ Jewellers
42ceb6c8-dc17-4839-8cc2-f7878c85428c · Nov 5
$1,893 SGD
$1,477 USD
View
10 more retailers have this diamond
Prices start from $337 SGDSave up to $1,556 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.51ct Oval
$337 SGD